About Us

Marshall & Associates is a private investigation firm with offices in Orlando, FL and Springfield, MO. We work hard to find the truth. We take every case seriously and utilize every available resource to solve your problem. The Marshall team of male and female private investigators have the experience, tactics and professionalism needed for any domestic or corporate challenge you may be facing.

Derrick Marshall has over 27 years of experience in the Private Investigation industry. After attending Missouri State University, he founded Black Diamond Detective Agency which would eventually expand operation into 9 states. In 2010 he would branch out to form Marshall and Associates LLC, a private detective agency that would grow to employee numerous investigators and investigative contacts across the globe. Since then the company has blossomed into a full scale agency, capable of handling an array of services for their clients.

We proudly employee bi-lingual investigators, both male and female, of different races and ethnicities. Our multi-cultural approach to investigations allows us to operate in situations where other investigators fall short.

We love our customers and welcome your feedback and suggestions. Use our Contact Us page to tell us what we’re doing right or what we can improve on.

Certifications Include:

CCW Certified though CJENALI National Association Of Legal Investigators Member of the Florida Association of Private Investigators (FAPI) Member of the Florida Association of Legal Investigators (FALI) W.A.D. World Association Of Detectives

Marshall & Associates Investigations employs both male and female security team members who can work as private bodyguards, work loss-prevention at retail businesses, assist in the transport of armored cars, as well as guard prisoners in transport. All of Marshall & Associates’ security officers are licensed and certified to operate as a security officers in Florida, holding the necessary Class “D” Security Officer License, issued by the Florida Department of Agriculture Division of Licensing.

Let Us Serve You

Whether you call us Private Investigators, Private Detectives, Private Eyes, or simply P.I.s, we are the ones you call when you need a professional on your side. We conduct your investigation with the precision and attention to detail you deserve.